.slide-container{
  width:520px;
  height:280px;
  box-shadow:0 0 20px 1px rgba(0,0,0,.22);
  overflow: hidden;
  position: relative;
}
.slide-container .slide{
  position: absolute;
  height:100%;
  width:700%;
}
.slide-item {
  float:left;
}
.slide-item img {
  display:block;
}
.slide-index{
  position: absolute;
  z-index: 3;
  overflow: hidden;
  padding:5px;
  bottom:5px;
  left:50%;
  margin-left:-40px;
  border-radius: 10px;
  background:rgba(255,255,255, .5);
}
.slide-index li{
  float:left;
  list-style-type: none;
  margin-right:5px;
}

.slide-index li:last-child{
  margin-right:0;
}
.slide-index li a{
  display: block;
  width:10px;
  height: 10px;
  border-radius:5px;
  background:#fff;
  text-indent: -9999px;
  transition:background-color 0.2s ease-in;
}
.slide-index .active a{
  background:orange;
}